significant figure
US /ˌsɪɡˈnɪf.ɪ.kənt ˈfɪɡ.ər/
UK /ˌsɪɡˈnɪf.ɪ.kənt ˈfɪɡ.ər/
1.
有効数字
a digit in a number that is not a leading or trailing zero, or a zero that is not a placeholder
:
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The measurement 0.0050 has two significant figures.
測定値0.0050には2つの有効数字があります。
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When performing calculations, always consider the number of significant figures.
計算を行う際は、常に有効数字の数を考慮してください。